High electrical conductivity, accuracy and cost-effective
Mineral insulated RTD cable with copper conductors
Mineral insulated RTD cable with copper conductors is used for temperature measurement up to 400°C. Copper conductors provide high electrical conductivity and a stable resistance-to-temperature relationship, while remaining cost-effective. Kamet supplies copper-conductor MI RTD cable manufactured by Okazaki in various diameters, conductor-pair configurations and sheath materials.
Copper conductor MI RTD cable specifications
| Specification | Copper conductor MI RTD cable |
|---|---|
| Conductor material | Copper |
| Maximum stated measurement temperature | 400°C |
| Standard sheath materials | AISI 316L and AISI 321 |
| Available conductor pairs | 2, 3, 4, 6 or 8 |
| Conductor spacing | Normal or wide |
| Stock diameters – AISI 316L | Between 1.00 and 8.00 mm |
| Stock diameters – AISI 321 | 1.50–6.00 mm |
| Manufacturer | Okazaki |
| Certificate | Material 3.1 certificate |
| Supply form | Coils or straight lengths |
| Standard wall thickness | Min. 10% of cable diameter |
| Minimum bending radius | 2× sheath diameter |
Why use copper conductors in MI RTD cable?
Copper conductors combine high electrical conductivity with a stable resistance-to-temperature relationship and economical material cost. For this MI RTD cable, Kamet states a temperature measurement range up to 400°C.
Available copper MI RTD cable sheath materials, diameters and conductor pairs
For the complete range of standard stock and custom made Copper RTD cable possibilities, visit our overview page.
| Conductor | Sheath material | OD’s on stock (mm) | Pairs | Spacing | On stock | |
|---|---|---|---|---|---|---|
| Copper | AISI316L | ODs between 1.00 – 8.00 | 2,3,4,6,8 | Normal, wide | Yes | Send inquiry |
| Copper | AISI321 | 1.50 – 6.00 | 2,3,4,6,8 | Normal, wide | Yes | Send inquiry |
How can we help you today?
Request a quotation for the mineral insulated RTD cable you need for your sensor.
Specifications of Okazaki copper conductor MI RTD cable
- By Japanese manufacturer Okazaki, made with Japanese and European sourced materials
- Supplied with a material 3.1 certificate
- Highly resistant to mechanical damage, corrosion, and chemical exposure
- Excellent electrical conductivity
- Long lifespan, reduced maintenance needs, and reliability in harsh conditions
- Supplied in coil form, but also available in straight lengths, which may exhibit a slight bow or curvature.
- Standard wall thickness is min. 10% of the cable diameter.
- Can be bent around a mandrel with a radius twice the sheath diameter without rupturing the sheath or compromising insulation resistance.
- The sheath can be welded, brazed, or soldered without impacting insulation resistance, as long as normal care is taken for the metals and thickness involved.
Copper conductor MI RTD cable supplied by Kamet
- Standard cables on stock with direct delivery
- 10-18 week delivery for non-stock items
- Supplied in whole coils or pieces
- 24/7 access to our stock via our digital customer portal
- International export expert
AerOpak MI RTD cable specs – Type A cable – Reversed mounted
| OD (mm) | Tolerance (mm) | Wall thickness (mm) | Conductor diameter (mm) | Distance between wires (mm) | Resistance (Ω/m) | m/Coil |
|---|---|---|---|---|---|---|
| 9.00 | +/- 0.05 | 0.90 | 0.90 | 3.10 | 0.50 | 20 |
| 8.00 | +/- 0.05 | 0.80 | 0.80 | 2.70 | 0.50 | 25 |
| 6.40 | +/- 0.05 | 0.64 | 0.64 | 2.20 | 0.50 | 39 |
| 6.00 | +/- 0.05 | 0.60 | 0.55 | 2.08 | 0.50 | 45 |
| 4.80 | +/- 0.05 | 0.48 | 0.48 | 1.70 | 0.70 | 70 |
| 4.50 | +/- 0.05 | 0.45 | 0.40 | 1.65 | 0.70 | 80 |
| 3.20 | +/- 0.05 | 0.32 | 0.32 | 1.00 | 1.40 | 159 |
| 3.00 | +/- 0.05 | 0.30 | 0.26 | 1.00 | 1.40 | 181 |
AerOpak MI RTD cable specs - Top mounted
| OD (mm) | Tolerance (mm) | Wall thickness (mm) | Conductor diameter (mm) | Distance between wires (mm) | Resistance (Ω/m) | m/Coil |
|---|---|---|---|---|---|---|
| 12.70 | +/- 0.05 | 1.27 | 1.90 | 0.70 | 0.15 | 20 |
| 9.00 | +/- 0.05 | 0.90 | 1.35 | 0.70 | 0.20 | 40 |
| 8.00 | +/- 0.05 | 0.80 | 1.20 | 0.13 | 0.25 | 51 |
| 6.40 | +/- 0.05 | 0.64 | 0.96 | 0.16 | 0.35 | 80 |
| 6.00 | +/- 0.05 | 0.60 | 0.90 | 0.20 | 0.42 | 91 |
| 4.80 | +/- 0.05 | 0.48 | 0.74 | 0.28 | 0.65 | 142 |
| 4.50 | +/- 0.05 | 0.45 | 0.67 | 0.35 | 0.75 | 162 |
| 3.20 | +/- 0.05 | 0.32 | 0.48 | 0.50 | 1.47 | 166 |
| 3.00 | +/- 0.05 | 0.30 | 0.45 | 0.60 | 1.70 | 189 |
